When her sarcophagus is closed she slumbers and provides protection to the gnomon, evidenced by its lack of weathering and the heating which prevents snow from settling on it.
Who is so say what is important? Like the 1st and 2nd level pledges but a bit more! She truly is one-of-a-kind and will likely be remembered as such.
I think that'd be funny in of itself if the players just see it following them at a distance and eventually catches up.